auto-merge

7 files changed, 297 insertions, 328 deletions

diff --git a/mysys/default.c b/mysys/default.c
index dc4cce16ace..1875c0cebbe 100644
--- a/mysys/default.c
+++ b/mysys/default.c
@@ -144,6 +144,7 @@ static char *remove_end_comment(char *ptr);
   RETURN
     0  ok
     1  given cinf_file doesn't exist
+    2  out of memory
 
     The global variable 'my_defaults_group_suffix' is updated with value for
     --defaults_group_suffix
@@ -190,7 +191,7 @@ int my_search_option_files(const char *conf_file, int *argc, char ***argv,
     if (!(extra_groups= 
 	  (const char**)alloc_root(ctx->alloc,
                                    (2*group->count+1)*sizeof(char*))))
-      goto err;
+      DBUG_RETURN(2);
     
     for (i= 0; i < group->count; i++)
     {
@@ -199,7 +200,7 @@ int my_search_option_files(const char *conf_file, int *argc, char ***argv,
       
       len= strlen(extra_groups[i]);
       if (!(ptr= alloc_root(ctx->alloc, (uint) (len+instance_len+1))))
-	goto err;
+       DBUG_RETURN(2);
       
       extra_groups[i+group->count]= ptr;
       
@@ -254,12 +255,11 @@ int my_search_option_files(const char *conf_file, int *argc, char ***argv,
     }
   }
 
-  DBUG_RETURN(error);
+  DBUG_RETURN(0);
 
 err:
   fprintf(stderr,"Fatal error in defaults handling. Program aborted\n");
-  exit(1);
-  return 0;					/* Keep compiler happy */
+  DBUG_RETURN(1);
 }
 
 
diff --git a/mysys/errors.c b/mysys/errors.c
index 537a75c6ef3..8d3303cac9f 100644
--- a/mysys/errors.c
+++ b/mysys/errors.c
@@ -39,7 +39,7 @@ const char * NEAR globerrs[GLOBERRS]=
   "Can't change dir to '%s' (Errcode: %d)",
   "Warning: '%s' had %d links",
   "Warning: %d files and %d streams is left open\n",
-  "Disk is full writing '%s' (Errcode: %d). Waiting for someone to free space... Retry in %d secs",
+  "Disk is full writing '%s' (Errcode: %d). Waiting for someone to free space... (Expect up to %d secs delay for server to continue after freeing disk space)",
   "Can't create directory '%s' (Errcode: %d)",
   "Character set '%s' is not a compiled character set and is not specified in the '%s' file",
   "Out of resources when opening file '%s' (Errcode: %d)",
@@ -92,3 +92,17 @@ void init_glob_errs()
   EE(EE_FILE_NOT_CLOSED) = "File '%s' (fileno: %d) was not closed";
 }
 #endif
+
+void wait_for_free_space(const char *filename, int errors)
+{
+  if (errors == 0)
+    my_error(EE_DISK_FULL,MYF(ME_BELL | ME_NOREFRESH),
+             filename,my_errno,MY_WAIT_FOR_USER_TO_FIX_PANIC);
+  if (!(errors % MY_WAIT_GIVE_USER_A_MESSAGE))
+    my_printf_error(EE_DISK_FULL,
+                    "Retry in %d secs. Message reprinted in %d secs",
+                    MYF(ME_BELL | ME_NOREFRESH),
+                    MY_WAIT_FOR_USER_TO_FIX_PANIC,
+                    MY_WAIT_GIVE_USER_A_MESSAGE * MY_WAIT_FOR_USER_TO_FIX_PANIC );
+  VOID(sleep(MY_WAIT_FOR_USER_TO_FIX_PANIC));
+}
diff --git a/mysys/md5.c b/mysys/md5.c
index 0945f9ce5f4..2388cebedc4 100644
--- a/mysys/md5.c
+++ b/mysys/md5.c
@@ -13,356 +13,313 @@
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
-/* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm
+/*
+ * This code implements the MD5 message-digest algorithm.
+ * The algorithm is due to Ron Rivest.  This code was
+ * written by Colin Plumb in 1993, no copyright is claimed.
+ * This code is in the public domain; do with it what you wish.
+ *
+ * Equivalent code is available from RSA Data Security, Inc.
+ * This code has been tested against that, and is equivalent,
+ * except that you don't need to include two pages of legalese
+ * with every copy.
+ *
+ * To compute the message digest of a chunk of bytes, declare an
+ * MD5Context structure, pass it to MD5Init, call MD5Update as
+ * needed on buffers full of bytes, and then call MD5Final, which
+ * will fill a supplied 16-byte array with the digest.
  */
 
-/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
-rights reserved.
-
-License to copy and use this software is granted provided that it
-is identified as the "RSA Data Security, Inc. MD5 Message-Digest
-Algorithm" in all material mentioning or referencing this software
-or this function.
-
-License is also granted to make and use derivative works provided
-that such works are identified as "derived from the RSA Data
-Security, Inc. MD5 Message-Digest Algorithm" in all material
-mentioning or referencing the derived work.
-
-RSA Data Security, Inc. makes no representations concerning either
-the merchantability of this software or the suitability of this
-software for any particular purpose. It is provided "as is"
-without express or implied warranty of any kind.
-
-These notices must be retained in any copies of any part of this
-documentation and/or software.
-*/
-
-/*
-  Changes by Monty:
-   Replace of MD5_memset and MD5_memcpy with memset & memcpy
-*/
+/* This code was modified in 1997 by Jim Kingdon of Cyclic Software to
+   not require an integer type which is exactly 32 bits.  This work
+   draws on the changes for the same purpose by Tatu Ylonen
+   <ylo@cs.hut.fi> as part of SSH, but since I didn't actually use
+   that code, there is no copyright issue.  I hereby disclaim
+   copyright in any changes I have made; this code remains in the
+   public domain.  */
 
 #include <my_global.h>
 #include <m_string.h>
 #include "my_md5.h"
 
-/* Constants for MD5Transform routine. */
-
-#define S11 7
-#define S12 12
-#define S13 17
-#define S14 22
-#define S21 5
-#define S22 9
-#define S23 14
-#define S24 20
-#define S31 4
-#define S32 11
-#define S33 16
-#define S34 23
-#define S41 6
-#define S42 10
-#define S43 15
-#define S44 21
-
-
-static void MD5Transform PROTO_LIST ((UINT4 [4], unsigned char [64]));
-static void Encode PROTO_LIST
-  ((unsigned char *, UINT4 *, unsigned int));
-static void Decode PROTO_LIST
-  ((UINT4 *, unsigned char *, unsigned int));
-#ifdef OLD_CODE
-static void MD5_memcpy PROTO_LIST ((POINTER, POINTER, unsigned int));
-static void MD5_memset PROTO_LIST ((POINTER, int, unsigned int));
-#else
-#define MD5_memcpy(A,B,C) memcpy((char*) (A),(char*) (B), (C))
-#define MD5_memset(A,B,C) memset((char*) (A),(B), (C))
-#endif
+#include <string.h>	/* for memcpy() and memset() */
 
-static unsigned char PADDING[64] = {
-  0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
 
-/* F, G, H and I are basic MD5 functions.
- */
-#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
-#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
-#define H(x, y, z) ((x) ^ (y) ^ (z))
-#define I(x, y, z) ((y) ^ ((x) | (~z)))
+static void 
+my_MD5Transform (cvs_uint32 buf[4], const unsigned char in[64]);
 
-/* ROTATE_LEFT rotates x left n bits.
- */
-#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
+/* Little-endian byte-swapping routines.  Note that these do not
+   depend on the size of datatypes such as uint32, nor do they require
+   us to detect the endianness of the machine we are running on.  It
+   is possible they should be macros for speed, but I would be
+   surprised if they were a performance bottleneck for MD5.  */
 
-/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
-Rotation is separate from addition to prevent recomputation.
- */
-#define FF(a, b, c, d, x, s, ac) { \
- (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
-#define GG(a, b, c, d, x, s, ac) { \
- (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
-#define HH(a, b, c, d, x, s, ac) { \
- (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
-#define II(a, b, c, d, x, s, ac) { \
- (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
- (a) = ROTATE_LEFT ((a), (s)); \
- (a) += (b); \
-  }
-
-/* MD5 initialization. Begins an MD5 operation, writing a new context.
- */
-void my_MD5Init (my_MD5_CTX *context)      /* context */
+static uint32 getu32 (const unsigned char *addr)
 {
-  context->count[0] = context->count[1] = 0;
-  /* Load magic initialization constants.
-*/
-  context->state[0] = 0x67452301;
-  context->state[1] = 0xefcdab89;
-  context->state[2] = 0x98badcfe;
-  context->state[3] = 0x10325476;
+  return (((((unsigned long)addr[3] << 8) | addr[2]) << 8)
+          | addr[1]) << 8 | addr[0];
 }
 
-/* MD5 block update operation. Continues an MD5 message-digest
-  operation, processing another message block, and updating the
-  context.
- */
-
-void my_MD5Update (
-my_MD5_CTX *context,                                        /* context */
-unsigned char *input,                                /* input block */
-unsigned int inputLen)                     /* length of input block */
+static void
+putu32 (uint32 data, unsigned char *addr)
 {
-  unsigned int i, idx, partLen;
-
-  /* Compute number of bytes mod 64 */
-  idx = (unsigned int)((context->count[0] >> 3) & 0x3F);
-
+  addr[0] = (unsigned char)data;
+  addr[1] = (unsigned char)(data >> 8);
+  addr[2] = (unsigned char)(data >> 16);
+  addr[3] = (unsigned char)(data >> 24);
+}
 
-  /* Update number of bits */
-  if ((context->count[0] += ((UINT4)inputLen << 3))
-   < ((UINT4)inputLen << 3))
- context->count[1]++;
-  context->count[1] += ((UINT4)inputLen >> 29);
+/*
+  Start MD5 accumulation.  Set bit count to 0 and buffer to mysterious
+  initialization constants.
+*/
+void
+my_MD5Init (my_MD5Context *ctx)
+{
+  ctx->buf[0] = 0x67452301;
+  ctx->buf[1] = 0xefcdab89;
+  ctx->buf[2] = 0x98badcfe;
+  ctx->buf[3] = 0x10325476;
 
-  partLen = 64 - idx;
+  ctx->bits[0] = 0;
+  ctx->bits[1] = 0;
+}
 
-  /* Transform as many times as possible.
+/*
+  Update context to reflect the concatenation of another buffer full
+  of bytes.
 */
-  if (inputLen >= partLen) {
- MD5_memcpy((POINTER)&context->buffer[idx], (POINTER)input, partLen);
- MD5Transform(context->state, context->buffer);
+void 
+my_MD5Update (my_MD5Context *ctx, unsigned char const *buf, unsigned len)
+{
+  uint32 t;
 
- for (i = partLen; i + 63 < inputLen; i += 64)
-   MD5Transform (context->state, &input[i]);
+  /* Update bitcount */
 
- idx = 0;
-  }
-  else
- i = 0;
+  t = ctx->bits[0];
+  if ((ctx->bits[0] = (t + ((uint32)len << 3)) & 0xffffffff) < t)
+    ctx->bits[1]++;	/* Carry from low to high */
+  ctx->bits[1] += len >> 29;
 
-  /* Buffer remaining input */
-  MD5_memcpy((POINTER)&context->buffer[idx], (POINTER)&input[i],
-	     inputLen-i);
-}
+  t = (t >> 3) & 0x3f;	/* Bytes already in shsInfo->data */
 
-/* MD5 finalization. Ends an MD5 message-digest operation, writing the
-  the message digest and zeroizing the context.
- */
+  /* Handle any leading odd-sized chunks */
 
-void my_MD5Final (
-unsigned char digest[16],                         /* message digest */
-my_MD5_CTX *context)                              /* context */
-{
-  unsigned char bits[8];
-  unsigned int idx, padLen;
+  if ( t ) {
+    unsigned char *p = ctx->in + t;
 
-  /* Save number of bits */
-  Encode (bits, context->count, 8);
+    t = 64-t;
+    if (len < t) {
+      memcpy(p, buf, len);
+      return;
+    }
+    memcpy(p, buf, t);
+    my_MD5Transform (ctx->buf, ctx->in);
+    buf += t;
+    len -= t;
+  }
 
-  /* Pad out to 56 mod 64.
-*/
-  idx = (unsigned int)((context->count[0] >> 3) & 0x3f);
-  padLen = (idx < 56) ? (56 - idx) : (120 - idx);
-  my_MD5Update (context, PADDING, padLen);
+  /* Process data in 64-byte chunks */
 
-  /* Append length (before padding) */
-  my_MD5Update (context, bits, 8);
+  while (len >= 64) {
+    memcpy(ctx->in, buf, 64);
+    my_MD5Transform (ctx->buf, ctx->in);
+    buf += 64;
+    len -= 64;
+  }
 
-  /* Store state in digest */
-  Encode (digest, context->state, 16);
+  /* Handle any remaining bytes of data. */
 
-  /* Zeroize sensitive information.
-*/
-  MD5_memset ((POINTER)context, 0, sizeof (*context));
+  memcpy(ctx->in, buf, len);
 }
 
-/* MD5 basic transformation. Transforms state based on block.
- */
-static void MD5Transform (
-UINT4 state[4],
-unsigned char block[64])
-{
-  UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
-
-  Decode (x, block, 64);
-
-  /* Round 1 */
-  FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
-  FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
-  FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
-  FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
-  FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
-  FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
-  FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
-  FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
-  FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
-  FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
-  FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
-  FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
-  FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
-  FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
-  FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
-  FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
-
- /* Round 2 */
-  GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
-  GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
-  GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
-  GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
-  GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
-  GG (d, a, b, c, x[10], S22,  0x2441453); /* 22 */
-  GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
-  GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
-  GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
-  GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
-  GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
-  GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
-  GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
-  GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
-  GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
-  GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
-
-  /* Round 3 */
-  HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
-  HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
-  HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
-  HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
-  HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
-  HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
-  HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
-  HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
-  HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
-  HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
-  HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
-  HH (b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
-  HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
-  HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
-  HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
-  HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
-
-  /* Round 4 */
-  II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
-  II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
-  II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
-  II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
-  II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
-  II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
-  II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
-  II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
-  II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
-  II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
-  II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
-  II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
-  II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
-  II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
-  II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
-  II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
-
-
-  state[0] += a;
-  state[1] += b;
-  state[2] += c;
-  state[3] += d;
-
-  /* Zeroize sensitive information.
+/*
+  Final wrapup - pad to 64-byte boundary with the bit pattern 
+  1 0* (64-bit count of bits processed, MSB-first)
 */
-  MD5_memset ((POINTER)x, 0, sizeof (x));
-}
-
-/* Encodes input (UINT4) into output (unsigned char). Assumes len is
-  a multiple of 4.
- */
-static void Encode (
-unsigned char *output,
-UINT4 *input,
-unsigned int len)
+void
+my_MD5Final (unsigned char digest[16], my_MD5Context *ctx) 
 {
-  unsigned int i, j;
+  unsigned count;
+  unsigned char *p;
 
-  for (i = 0, j = 0; j < len; i++, j += 4) {
- output[j] = (unsigned char)(input[i] & 0xff);
- output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
- output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
- output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
+  /* Compute number of bytes mod 64 */
+  count = (ctx->bits[0] >> 3) & 0x3F;
+
+  /* Set the first char of padding to 0x80.  This is safe since there is
+    always at least one byte free */
+  p = ctx->in + count;
+  *p++ = 0x80;
+
+  /* Bytes of padding needed to make 64 bytes */
+  count = 64 - 1 - count;
+
+  /* Pad out to 56 mod 64 */
+  if (count < 8) {
+    /* Two lots of padding:  Pad the first block to 64 bytes */
+    memset(p, 0, count);
+    my_MD5Transform (ctx->buf, ctx->in);
+
+    /* Now fill the next block with 56 bytes */
+    memset(ctx->in, 0, 56);
+  } else {
+    /* Pad block to 56 bytes */
+    memset(p, 0, count-8);
   }
+
+  /* Append length in bits and transform */
+  putu32(ctx->bits[0], ctx->in + 56);
+  putu32(ctx->bits[1], ctx->in + 60);
+
+  my_MD5Transform (ctx->buf, ctx->in);
+  putu32(ctx->buf[0], digest);
+  putu32(ctx->buf[1], digest + 4);
+  putu32(ctx->buf[2], digest + 8);
+  putu32(ctx->buf[3], digest + 12);
+  memset(ctx, 0, sizeof(ctx));	/* In case it's sensitive */
 }
 
+#ifndef ASM_MD5
 
-/* Decodes input (unsigned char) into output (UINT4). Assumes len is
-  a multiple of 4.
- */
-static void Decode (
-UINT4 *output,
-unsigned char *input,
-unsigned int len)
-{
-  unsigned int i, j;
+/* The four core functions - F1 is optimized somewhat */
 
-  for (i = 0, j = 0; j < len; i++, j += 4)
- output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
-   (((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
-}
+/* #define F1(x, y, z) (x & y | ~x & z) */
+#define F1(x, y, z) (z ^ (x & (y ^ z)))
+#define F2(x, y, z) F1(z, x, y)
+#define F3(x, y, z) (x ^ y ^ z)
+#define F4(x, y, z) (y ^ (x | ~z))
 
-/* Note: Replace "for loop" with standard memcpy if possible.
- */
+/* This is the central step in the MD5 algorithm. */
+#define MD5STEP(f, w, x, y, z, data, s) \
+	( w += f(x, y, z) + data, w &= 0xffffffff, w = w<<s | w>>(32-s), w += x )
 
-#ifndef MD5_memcpy
-static void MD5_memcpy (output, input, len)
-POINTER output;
-POINTER input;
-unsigned int len;
+/*
+ * The core of the MD5 algorithm, this alters an existing MD5 hash to
+ * reflect the addition of 16 longwords of new data.  MD5Update blocks
+ * the data and converts bytes into longwords for this routine.
+ */
+static void
+my_MD5Transform (uint32 buf[4], const unsigned char inraw[64])
 {
-  unsigned int i;
-
-  for (i = 0; i < len; i++)
- output[i] = input[i];
+  register uint32 a, b, c, d;
+  uint32 in[16];
+  int i;
+
+  for (i = 0; i < 16; ++i)
+    in[i] = getu32 (inraw + 4 * i);
+
+  a = buf[0];
+  b = buf[1];
+  c = buf[2];
+  d = buf[3];
+
+  MD5STEP(F1, a, b, c, d, in[ 0]+0xd76aa478,  7);
+  MD5STEP(F1, d, a, b, c, in[ 1]+0xe8c7b756, 12);
+  MD5STEP(F1, c, d, a, b, in[ 2]+0x242070db, 17);
+  MD5STEP(F1, b, c, d, a, in[ 3]+0xc1bdceee, 22);
+  MD5STEP(F1, a, b, c, d, in[ 4]+0xf57c0faf,  7);
+  MD5STEP(F1, d, a, b, c, in[ 5]+0x4787c62a, 12);
+  MD5STEP(F1, c, d, a, b, in[ 6]+0xa8304613, 17);
+  MD5STEP(F1, b, c, d, a, in[ 7]+0xfd469501, 22);
+  MD5STEP(F1, a, b, c, d, in[ 8]+0x698098d8,  7);
+  MD5STEP(F1, d, a, b, c, in[ 9]+0x8b44f7af, 12);
+  MD5STEP(F1, c, d, a, b, in[10]+0xffff5bb1, 17);
+  MD5STEP(F1, b, c, d, a, in[11]+0x895cd7be, 22);
+  MD5STEP(F1, a, b, c, d, in[12]+0x6b901122,  7);
+  MD5STEP(F1, d, a, b, c, in[13]+0xfd987193, 12);
+  MD5STEP(F1, c, d, a, b, in[14]+0xa679438e, 17);
+  MD5STEP(F1, b, c, d, a, in[15]+0x49b40821, 22);
+
+  MD5STEP(F2, a, b, c, d, in[ 1]+0xf61e2562,  5);
+  MD5STEP(F2, d, a, b, c, in[ 6]+0xc040b340,  9);
+  MD5STEP(F2, c, d, a, b, in[11]+0x265e5a51, 14);
+  MD5STEP(F2, b, c, d, a, in[ 0]+0xe9b6c7aa, 20);
+  MD5STEP(F2, a, b, c, d, in[ 5]+0xd62f105d,  5);
+  MD5STEP(F2, d, a, b, c, in[10]+0x02441453,  9);
+  MD5STEP(F2, c, d, a, b, in[15]+0xd8a1e681, 14);
+  MD5STEP(F2, b, c, d, a, in[ 4]+0xe7d3fbc8, 20);
+  MD5STEP(F2, a, b, c, d, in[ 9]+0x21e1cde6,  5);
+  MD5STEP(F2, d, a, b, c, in[14]+0xc33707d6,  9);
+  MD5STEP(F2, c, d, a, b, in[ 3]+0xf4d50d87, 14);
+  MD5STEP(F2, b, c, d, a, in[ 8]+0x455a14ed, 20);
+  MD5STEP(F2, a, b, c, d, in[13]+0xa9e3e905,  5);
+  MD5STEP(F2, d, a, b, c, in[ 2]+0xfcefa3f8,  9);
+  MD5STEP(F2, c, d, a, b, in[ 7]+0x676f02d9, 14);
+  MD5STEP(F2, b, c, d, a, in[12]+0x8d2a4c8a, 20);
+
+  MD5STEP(F3, a, b, c, d, in[ 5]+0xfffa3942,  4);
+  MD5STEP(F3, d, a, b, c, in[ 8]+0x8771f681, 11);
+  MD5STEP(F3, c, d, a, b, in[11]+0x6d9d6122, 16);
+  MD5STEP(F3, b, c, d, a, in[14]+0xfde5380c, 23);
+  MD5STEP(F3, a, b, c, d, in[ 1]+0xa4beea44,  4);
+  MD5STEP(F3, d, a, b, c, in[ 4]+0x4bdecfa9, 11);
+  MD5STEP(F3, c, d, a, b, in[ 7]+0xf6bb4b60, 16);
+  MD5STEP(F3, b, c, d, a, in[10]+0xbebfbc70, 23);
+  MD5STEP(F3, a, b, c, d, in[13]+0x289b7ec6,  4);
+  MD5STEP(F3, d, a, b, c, in[ 0]+0xeaa127fa, 11);
+  MD5STEP(F3, c, d, a, b, in[ 3]+0xd4ef3085, 16);
+  MD5STEP(F3, b, c, d, a, in[ 6]+0x04881d05, 23);
+  MD5STEP(F3, a, b, c, d, in[ 9]+0xd9d4d039,  4);
+  MD5STEP(F3, d, a, b, c, in[12]+0xe6db99e5, 11);
+  MD5STEP(F3, c, d, a, b, in[15]+0x1fa27cf8, 16);
+  MD5STEP(F3, b, c, d, a, in[ 2]+0xc4ac5665, 23);
+
+  MD5STEP(F4, a, b, c, d, in[ 0]+0xf4292244,  6);
+  MD5STEP(F4, d, a, b, c, in[ 7]+0x432aff97, 10);
+  MD5STEP(F4, c, d, a, b, in[14]+0xab9423a7, 15);
+  MD5STEP(F4, b, c, d, a, in[ 5]+0xfc93a039, 21);
+  MD5STEP(F4, a, b, c, d, in[12]+0x655b59c3,  6);
+  MD5STEP(F4, d, a, b, c, in[ 3]+0x8f0ccc92, 10);
+  MD5STEP(F4, c, d, a, b, in[10]+0xffeff47d, 15);
+  MD5STEP(F4, b, c, d, a, in[ 1]+0x85845dd1, 21);
+  MD5STEP(F4, a, b, c, d, in[ 8]+0x6fa87e4f,  6);
+  MD5STEP(F4, d, a, b, c, in[15]+0xfe2ce6e0, 10);
+  MD5STEP(F4, c, d, a, b, in[ 6]+0xa3014314, 15);
+  MD5STEP(F4, b, c, d, a, in[13]+0x4e0811a1, 21);
+  MD5STEP(F4, a, b, c, d, in[ 4]+0xf7537e82,  6);
+  MD5STEP(F4, d, a, b, c, in[11]+0xbd3af235, 10);
+  MD5STEP(F4, c, d, a, b, in[ 2]+0x2ad7d2bb, 15);
+  MD5STEP(F4, b, c, d, a, in[ 9]+0xeb86d391, 21);
+
+  buf[0] += a;
+  buf[1] += b;
+  buf[2] += c;
+  buf[3] += d;
 }
 #endif
 
-/* Note: Replace "for loop" with standard memset if possible.
- */
+#ifdef TEST
+/* 
+  Simple test program.  Can use it to manually run the tests from
+  RFC1321 for example.  
+*/
+#include <stdio.h>
 
-#ifndef MD5_memset
-static void MD5_memset (output, value, len)
-POINTER output;
-int value;
-unsigned int len;
+int
+main (int argc, char **argv)
 {
-  unsigned int i;
-
-  for (i = 0; i < len; i++)
- ((char *)output)[i] = (char)value;
+  my_MD5Context context;
+  unsigned char checksum[16];
+  int i;
+  int j;
+
+  if (argc < 2)
+  {
+    fprintf (stderr, "usage: %s string-to-hash\n", argv[0]);
+    exit (1);
+  }
+  for (j = 1; j < argc; ++j)
+  {
+    printf ("MD5 (\"%s\") = ", argv[j]);
+    my_MD5Init (&context);
+    my_MD5Update (&context, argv[j], strlen (argv[j]));
+    my_MD5Final (checksum, &context);
+    for (i = 0; i < 16; i++)
+    {
+      printf ("%02x", (unsigned int) checksum[i]);
+    }
+    printf ("\n");
+  }
+  return 0;
 }
-#endif
+#endif /* TEST */
diff --git a/mysys/my_fstream.c b/mysys/my_fstream.c
index f5fe862937c..f3b5418b906 100644
--- a/mysys/my_fstream.c
+++ b/mysys/my_fstream.c
@@ -131,10 +131,8 @@ size_t my_fwrite(FILE *stream, const uchar *Buffer, size_t Count, myf MyFlags)
       if ((errno == ENOSPC || errno == EDQUOT) &&
           (MyFlags & MY_WAIT_IF_FULL))
       {
-        if (!(errors++ % MY_WAIT_GIVE_USER_A_MESSAGE))
-          my_error(EE_DISK_FULL,MYF(ME_BELL | ME_NOREFRESH),
-                   "[stream]",my_errno,MY_WAIT_FOR_USER_TO_FIX_PANIC);
-        VOID(sleep(MY_WAIT_FOR_USER_TO_FIX_PANIC));
+        wait_for_free_space("[stream]", errors);
+        errors++;
         VOID(my_fseek(stream,seekptr,MY_SEEK_SET,MYF(0)));
         continue;
       }
diff --git a/mysys/my_getopt.c b/mysys/my_getopt.c
index f97550d4429..48174a40c21 100644
--- a/mysys/my_getopt.c
+++ b/mysys/my_getopt.c
@@ -100,10 +100,10 @@ static void default_reporter(enum loglevel level,
   one. Call function 'get_one_option()' once for each option.
 */
 
-static uchar** (*getopt_get_addr)(const char *, uint, const struct my_option *);
+static uchar** (*getopt_get_addr)(const char *, uint, const struct my_option *, int *);
 
 void my_getopt_register_get_addr(uchar** (*func_addr)(const char *, uint,
-						    const struct my_option *))
+						    const struct my_option *, int *))
 {
   getopt_get_addr= func_addr;
 }
@@ -362,8 +362,12 @@ int handle_options(int *argc, char ***argv,
                                      my_progname, optp->name);
 	  return EXIT_NO_ARGUMENT_ALLOWED;
 	}
+        error= 0;
 	value= optp->var_type & GET_ASK_ADDR ?
-	  (*getopt_get_addr)(key_name, (uint) strlen(key_name), optp) : optp->value;
+	  (*getopt_get_addr)(key_name, (uint) strlen(key_name), optp, &error) :
+          optp->value;
+        if (error)
+          return error;
   
 	if (optp->arg_type == NO_ARG)
 	{
@@ -1092,7 +1096,7 @@ static void init_variables(const struct my_option *options,
     if (options->value)
       init_one_value(options, options->value, options->def_value);
     if (options->var_type & GET_ASK_ADDR &&
-	(variable= (*getopt_get_addr)("", 0, options)))
+	(variable= (*getopt_get_addr)("", 0, options, 0)))
       init_one_value(options, variable, options->def_value);
   }
   DBUG_VOID_RETURN;
@@ -1196,7 +1200,7 @@ void my_print_variables(const struct my_option *options)
   for (optp= options; optp->id; optp++)
   {
     uchar* *value= (optp->var_type & GET_ASK_ADDR ?
-		  (*getopt_get_addr)("", 0, optp) : optp->value);
+		  (*getopt_get_addr)("", 0, optp, 0) : optp->value);
     if (value)
     {
       printf("%s ", optp->name);
diff --git a/mysys/my_pread.c b/mysys/my_pread.c
index 2b63a048c99..3f62f150c91 100644
--- a/mysys/my_pread.c
+++ b/mysys/my_pread.c
@@ -161,10 +161,8 @@ size_t my_pwrite(int Filedes, const uchar *Buffer, size_t Count,
     if ((my_errno == ENOSPC || my_errno == EDQUOT) &&
         (MyFlags & MY_WAIT_IF_FULL))
     {
-      if (!(errors++ % MY_WAIT_GIVE_USER_A_MESSAGE))
-	my_error(EE_DISK_FULL,MYF(ME_BELL | ME_NOREFRESH),
-		 my_filename(Filedes),my_errno,MY_WAIT_FOR_USER_TO_FIX_PANIC);
-      VOID(sleep(MY_WAIT_FOR_USER_TO_FIX_PANIC));
+      wait_for_free_space(my_filename(Filedes), errors);
+      errors++;
       continue;
     }
     if ((writenbytes && writenbytes != (size_t) -1) || my_errno == EINTR)
diff --git a/mysys/my_write.c b/mysys/my_write.c
index c67b1d8f3f2..d7eb390bdd2 100644
--- a/mysys/my_write.c
+++ b/mysys/my_write.c
@@ -54,10 +54,8 @@ size_t my_write(int Filedes, const uchar *Buffer, size_t Count, myf MyFlags)
     if ((my_errno == ENOSPC || my_errno == EDQUOT) &&
         (MyFlags & MY_WAIT_IF_FULL))
     {
-      if (!(errors++ % MY_WAIT_GIVE_USER_A_MESSAGE))
-	my_error(EE_DISK_FULL,MYF(ME_BELL | ME_NOREFRESH),
-		 my_filename(Filedes),my_errno,MY_WAIT_FOR_USER_TO_FIX_PANIC);
-      VOID(sleep(MY_WAIT_FOR_USER_TO_FIX_PANIC));
+      wait_for_free_space(my_filename(Filedes), errors);
+      errors++;
       continue;
     }